News Release

NYMEX to Present at Citigroup Financial Services Conference

Tue Jan 30 2007

New York, N.Y., January 30, 2007 — NYMEX Holdings, Inc. (NYSE:NMX), the parent company of the New York Mercantile Exchange, Inc., announced today that NYMEX Chairman Richard Schaeffer, NYMEX President and Chief Executive Officer James E. Newsome, and NYMEX Chief Financial Officer Kenneth Shifrin will present at the Citigroup Financial Services Conference in New York, NY, on January 31 at 11:15 AM.

The presentation will be available live on the internet at http://investor.nymex.com. Please allow 15 minutes prior to the webcast to visit the site and download and install any necessary audio software. An audio replay will be available approximately 24 hours after the conference.

About NYMEX Holdings, Inc.
NYMEX Holdings, Inc. is the parent company of the New York Mercantile Exchange, Inc., the world's largest physical commodity exchange. NYMEX offers futures and options trading in energy and metals contracts and clearing services for more than 250 off—exchange energy contracts. Through a hybrid model of open outcry floor trading and electronic trading on CME Globex® and NYMEX ClearPort®, NYMEX offers crude oil, petroleum products, natural gas, coal, electricity, gold, silver, copper, aluminum, platinum group metals, and soft commodities contracts for trading and clearing virtually 24 hours each day. For more information on NYMEX Holdings or the New York Mercantile Exchange, please visit www.nymex.com.

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Forward Looking and Cautionary Statements
This press release may contain forward–looking statements within the meaning of the Private Securities Litigation Reform Act, with respect to our future performance, operating results, strategy, and other future events. Such statements generally include words such as could, can, anticipate, believe, expect, seek, pursue, and similar words and terms, in connection with any discussion of future results. Forward–looking statements involve a number of assumptions, risks, and uncertainties, any of which may cause actual results to differ materially from the anticipated, estimated, or projected results referenced in forward–looking statements. In particular, the forward–looking statements of NYMEX Holdings, Inc., and its subsidiaries are subject to the following risks and uncertainties: the success and timing of new futures contracts and products; changes in political, economic, or industry conditions; the unfavorable resolution of material legal proceedings; the impact and timing of technological changes and the adequacy of intellectual property protection; the impact of legislative and regulatory actions, including without limitation, actions by the Commodity Futures Trading Commission; and terrorist activities and international hostilities, which may affect the general economy as well as oil and other commodity markets. We assume no obligation to update or supplement our forward–looking statements.

Contact: Anu Ahluwalia , 212-299-2439

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